#include <iostream>
#include <vector>

using namespace std;

int main()
{
	int word[10]={1,2,3,4,5,6};
	vector<int> ivec(word,word+6);

	int find_val=1;
	vector<int>::const_iterator result = find(ivec.begin(),ivec.end(),find_val);
	if(result==ivec.end())
		cout<<"not"<<endl;
	else
		cout<<"yes"<<endl;
	return 0;
}